class Herb::Errors::RubyParseError

def tree_inspect(indent = 0)
  output = +""
  output += %(@ #{error_name} #{location.tree_inspect}\n)
  output += %(├── message: #{message.inspect}\n)
  output += %(├── error_message: #{error_message.inspect}\n)
  output += %(├── diagnostic_id: #{diagnostic_id.inspect}\n)
  output += %(└── level: #{level.inspect}\n)
  output += %(\n)
  output.gsub(/^/, "    " * indent)
end